ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿Ð¡Ã÷ÔÚ¡°²âС³µµÄƽ¾ùËٶȡ±µÄʵÑéÖУ¬Éè¼ÆÁËÈçͼËùʾµÄʵÑé×°ÖãºÐ¡³µ´Ó´ø¿Ì¶ÈµÄбÃ涥¶ËÓɾ²Ö¹Ï»¬£¬Í¼ÖеÄԲȦÊÇС³µµ½´ïA¡¢B¡¢CÈý´¦Ê±µç×Ó±íµÄÏÔʾ£¨Êý×Ö·Ö±ð±íʾ¡°Ð¡Ê±£º·Ö£ºÃ롱£©

£¨1£©ÊµÑéÖÐʹÓõÄбÃæµÄƶÈ________£¨Ìî¡°½ÏС¡±»ò¡°½Ï´ó¡±£©£¬ÆäÄ¿µÄÊÇ£º______£®

£¨2£©ÊµÑéÇ°±ØÐëѧ»áÊìÁ·Ê¹Óõç×Ó±í£¬Èç¹ûÈÃС³µ¹ýÁËAµã²Å¿ªÊ¼¼Æʱ£¬Ôò»áʹËù²âAC¶ÎµÄƽ¾ùËÙ¶ÈvACÆ«_________£¨Ìî¡°´ó¡±»ò¡°Ð¡¡±£©¡£

£¨3£©Èôs2µÄ·³ÌÕýºÃÊÇÈ«²¿Â·³ÌµÄÒ»°ë£¬Ð¡³µÍ¨¹ýÏ°ë¶Î·³ÌµÄƽ¾ùËÙ¶ÈvBC =______m/s¡£

¡¾´ð°¸¡¿½ÏС ±ãÓÚ¼Æʱ ´ó 0.3

¡¾½âÎö¡¿

(1)[1] [2]бÃæµÄÇãб½Ç£¬Æ¶ÈԽС£¬Ð¡³µÑØбÃæÏòÏÂÔ˶¯µÄÔ½Âý£¬Ô˶¯Ê±¼ä³¤¶Ì£¬Ô½·½±ã¼Æʱ£»

(2)[3]Èç¹ûÈÃС³µ¹ýÁËAµã²Å¿ªÊ¼¼Æʱ£¬¼ÆʱÍí£¬Ëù¼Æʱ¼äƫС£¬Óù«Ê½ Ëã³öµÄËÙ¶ÈÆ«´ó£»

(3)[4]BC¶ÎµÄ·³Ì£º

£¬

BC¶ÎµÄʱ¼ä£ºtBC=2s£¬Ð¡³µÍ¨¹ýÏ°ë¶Î·³ÌµÄƽ¾ùËٶȣº

¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ð¡¶ÅͬѧÔÚ³¤½­±ß¼ñµ½ÁËÒ»¿éƯÁÁµÄ¶ìÂÑʯ£¬ËûÓÃÌìƽºÍÁ¿Í²²âÁ¿¶ìÂÑʯµÄÃܶȡ£

ËûÉè¼ÆÁËÏÂÁÐʵÑé²½Ö裺

¢ÙÓõ÷½ÚºÃµÄÌìƽ²â³ö¶ìÂÑʯµÄÖÊÁ¿m£»

¢ÚÏòÁ¿Í²Öе¹½øÊÊÁ¿µÄË®£¬¶Á³öË®µÄÌå»ý£»

¢Û¸ù¾ÝÃܶȵĹ«Ê½£¬Ëã³ö¶ìÂÑʯµÄÃܶȣ»

¢Ü½«¶ìÂÑʯ½þûÔÚÁ¿Í²ÄÚµÄË®ÖУ¬¶Á³ö¶ìÂÑʯºÍË®µÄ×ÜÌå»ý¡£

(1)ËûÓ¦²ÉÓÃÕýÈ·µÄʵÑé²½Öè˳ÐòΪ______(Ñ¡ÌîÏÂÁÐÑ¡ÏîÇ°µÄ×Öĸ)£»

A. ¢Ù¢Ú¢Ü¢Û B. ¢Ù¢Ú¢Û¢Ü C. ¢Ú¢Û¢Ü¢Ù D. ¢Ú¢Û¢Ù¢Ü

(2)Èçͼ¼×Ëùʾ£¬Ð¡¶ÅÔÚµ÷½ÚÌìƽºáÁºÆ½ºâ¹ý³ÌÖеIJÙ×÷´íÎóÊÇ________¡£¸ÄÕý´íÎóºóÈç¹ûÖ¸ÕëÆ«Ïò·Ö¶ÈÅÌÖÐÏßµÄ×ó²à£¬Ó¦½«Æ½ºâÂÝĸÏò______²àµ÷£»

(3)С¶Å¾ÀÕý´íÎóºó£¬ÖØе÷½ÚÌìƽƽºâ²¢²âÁ¿¶ìÂÑʯµÄÖÊÁ¿£¬µ±ÌìƽƽºâʱÓÒÅÌíÀÂëºÍÓÎÂëÈçͼÒÒËùʾ£¬¶ìÂÑʯµÄÖÊÁ¿Îª________g£»ÓÉͼ±ûºÍͼ¶¡¿ÉÖª¶ìÂÑʯµÄÌå»ýÊÇ________cm3£¬¼ÆËã³ö¶ìÂÑʯµÄÃܶÈΪ________g/cm3£»

(4)Èô¶ìÂÑʯĥËðºó£¬ËüµÄÃܶȽ«________(Ñ¡Ìî¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±)¡£ÈôÏȲâ¶ìÂÑʯµÄÌå»ýºó²âÖÊÁ¿»áµ¼Ö²âÁ¿½á¹û±ÈÕæʵֵ______¡£(Ñ¡Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±»ò¡°²»±ä¡±)

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø